• Journal of Internet Computing and Services
    ISSN 2287 - 1136(Online) / ISSN 1598 - 0170 (Print)
    http://jics.or.kr/

Adaptive Minimum Sleep Window Algorithm for Saving Energy Consumption in IEEE 802.16e


Woo-Jin Jung, Tae-Jin Lee, Yun-Won Chung, Min-Young Chung, Journal of Internet Computing and Services, Vol. 9, No. 4, pp. 11-20, Aug. 2008
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Keywords: IEEE 802.16e, MSS, BS, sleep mode

Abstract

IEEE 802.16e has adopted sleep mode to minimize energy consumption of mobile nodes with high speed mobility. If the Base Station (BS) has no data to be sent to a Mobile Subscriber Station (MSS) at the instant of ending sleep window of the MSS, the MSS increases its sleep window interval by double until the window interval reaches to the maximum sleep window interval. Thus, during the operation of sleep mode, MSS repeatedly performs switch on/off action until there exist frames to be received from BS. The switch on/off operation significantly consumes energy of MSS. To effectively deal with the energy of the MSS, this paper proposes an algorithm which decides the minimum sleep window interval that will be used in next sleep mode based on the current sleep window interval. We evaluate the performance of IEEE 802.16e sleep mode algorithm and our proposed algorithm in terms of energy consumption and blocking probability. Compared with the current sleep mode algorithm used in IEEE 802.16e, the proposed algorithm decreases the energy consumption by about 30% without increasing blocking probability.


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Cite this article
[APA Style]
Woo-Jin Jung, Tae-Jin Lee, Yun-Won Chung, & Min-Young Chung (2008). Adaptive Minimum Sleep Window Algorithm for Saving Energy Consumption in IEEE 802.16e. Journal of Internet Computing and Services, 9(4), 11-20.

[IEEE Style]
W. Jung, T. Lee, Y. Chung and M. Chung, "Adaptive Minimum Sleep Window Algorithm for Saving Energy Consumption in IEEE 802.16e," Journal of Internet Computing and Services, vol. 9, no. 4, pp. 11-20, 2008.

[ACM Style]
Woo-Jin Jung, Tae-Jin Lee, Yun-Won Chung, and Min-Young Chung. 2008. Adaptive Minimum Sleep Window Algorithm for Saving Energy Consumption in IEEE 802.16e. Journal of Internet Computing and Services, 9, 4, (2008), 11-20.